diff --git a/ext/native/thin3d/GLRenderManager.h b/ext/native/thin3d/GLRenderManager.h
index d241812441..16bc24a732 100644
--- a/ext/native/thin3d/GLRenderManager.h
+++ b/ext/native/thin3d/GLRenderManager.h
@@ -298,8 +298,6 @@ private:
 	uint8_t *writePtr_ = nullptr;
 	GLuint target_;
 	GLBufferStrategy strategy_ = GLBufferStrategy::SUBDATA;
-
-	friend class GLRenderManager;
 };
 
 enum class GLRRunType {